diff --git a/setup.py b/setup.py
index 2f05eddc5..08708b315 100644
--- a/setup.py
+++ b/setup.py
@@ -67,7 +67,7 @@ setup(
         "cryptography>=1.3, <1.8",
         "cssutils>=1.0.1, <1.1",
         "Flask>=0.10.1, <0.12",
-        "h2>=2.5.0, <3",
+        "h2>=2.5.1, <3",
         "html2text>=2016.1.8, <=2016.9.19",
         "hyperframe>=4.0.1, <5",
         "jsbeautifier>=1.6.3, <1.7",